Family name origins & meanings
- Scottish : reduced Anglicized form of Gaelic Mac Gille Dubhthaigh, a patronymic from the personal name Gille Dubhthaigh ‘servant of (Saint) Dubhthach’ (see Duffy 1).
- Belgian French (Duthie, Duthié) : variant of Dutil, or alternatively a habitational name for someone from Thy in the province of Namur.